Saqqara (Saqqâra). Step Pyramid of Neterikhet (Djoser).
Caption reads:
'Two finished casings on South side, near middle of face.
(see 1 & 2 in No 485) Smaller stones by casings, and in lower part of
front step, both covered with larger stones at the last coating.'

There are also two arrows numbered 1 and 2.